package week4;

/**
 * Created by Administrator on 2016/3/27.
 */
public abstract class GuessGame {
    public void go(){
        int number = (int) (Math.random() * 10);
        int guess;
        do{
            print("输入数字：");
            guess = nextInt();
        }while (guess != number);
        println("猜中了");
    }
    public void println(String text){
        print(text + "\n");
    }
    public abstract void print(String text);
    public abstract int nextInt();
}
